<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app-4">
        <ol>
          <li v-for="todo in todos">
            {{ todo.text }}
          </li>
        </ol>
      </div>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
      <script>
          var app4 = new Vue({
  el: '#app-4',
  data: {
    todos: [
      { text: '俊俊' },
      { text: '学习前端' },
      { text: '超级厉害' }
    ]
  }
})

      </script>
</body>
</html>